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• Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]
It is an evolved red clump [12] giant star with a stellar classification of G8+ III. [3] The measured angular diameter is 2.21 mas. [13] At the star's distance, this yields a physical size of around 16 times the radius of the Sun. [6] It radiates 138 [7] times the solar luminosity from its outer atmosphere at an effective temperature of 5074 K. [8]
[1] [2] In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) [3] to catalog and standardize proper names for stars. The WGSN approved the names Theemin for υ 2 Eridani on 1 February 2017 and Beemim for υ 3 Eridani on 30 June 2017; both are now included in the List of IAU-approved Star Names. [4]
In the southern-sky catalog Uranometria Argentina, 82 G. Eridani (often abbreviated to 82 Eridani) [9] is the 82nd star listed in the constellation Eridanus. [10] The Argentina catalog, compiled by the 19th-century astronomer Benjamin Gould, is a southern celestial hemisphere analog of the more famous Flamsteed catalog, and uses a similar numbering scheme. 82 G. Eridani, like other stars near ...
The WGSN approved the name Beid for this star on 12 September 2016 and it is now so included in the List of IAU-approved Star Names. [ 10 ] In Chinese , 九州殊口 ( Jiǔ Zhōu Shū Kǒu ), meaning Interpreters of Nine Dialects , refers to an asterism consisting of ο 1 Eridani, 39 Eridani , Xi Eridani , Nu Eridani , 56 Eridani and 55 Eridani ...
Gamma Eridani (γ Eridani, abbreviated Gamma Eri, γ Eri), formally named Zaurak / ˈ z ɔː r æ k /, [12] [13] is a variable star in the constellation of Eridanus.It is visible to the naked eye with an apparent visual magnitude that varies around 2.9, and lies at a distance of about 203 light years from the Sun, as determined by the Hipparcos astrometry satellite.
Beta Eridani is the star's Bayer designation. It has the traditional name Cursa [4] [9] derived from Al Kursiyy al Jauzah, "the Chair (or "Footstool") of the Central One". This is the name of the star association consisting of this star along with Lambda Eridani, Psi Eridani and Tau Orionis. [12]
Tau 2 Eridani (τ 2 Eridani, abbreviated Tau 2 Eri, τ 2 Eri), formally named Angetenar / æ ŋ ˈ ɡ ɛ t ən ɑːr /, [8] [9] is a star in the constellation of Eridanus. It is visible to the naked eye with an apparent visual magnitude of 4.78. [2] The distance to this star, as determined via the parallax method, is around 187 light-years.